1. reverse sweep - Noun
2. reverse sweep - Verb
(cricket) A batsman's shot made by swinging the bat in a horizontal arc from leg to off, normally whilst kneeling.
(sports) The act of winning a match after losing the maximum number of sets where, should you lose one more set, you would instead lose the match.
(cricket) To play such a shot.
(sports) To win such a match.
Source: en.wiktionary.org